[INFO] fetching crate tower-ready-cache 0.3.1...
[INFO] testing tower-ready-cache-0.3.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate tower-ready-cache 0.3.1 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate tower-ready-cache 0.3.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-ready-cache 0.3.1
[INFO] finished tweaking crates.io crate tower-ready-cache 0.3.1
[INFO] tweaked toml for crates.io crate tower-ready-cache 0.3.1 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e77a1685f237b8357e33743d414c0baca4073164a24a33c12412e72273aef56f
[INFO] running `Command { std: "docker" "start" "-a" "e77a1685f237b8357e33743d414c0baca4073164a24a33c12412e72273aef56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e77a1685f237b8357e33743d414c0baca4073164a24a33c12412e72273aef56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77a1685f237b8357e33743d414c0baca4073164a24a33c12412e72273aef56f", kill_on_drop: false }`
[INFO] [stdout] e77a1685f237b8357e33743d414c0baca4073164a24a33c12412e72273aef56f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14bfda499e5d6e30551f55e1a8f7967810a14e1833df8b9e17274fa57aa40f2d
[INFO] running `Command { std: "docker" "start" "-a" "14bfda499e5d6e30551f55e1a8f7967810a14e1833df8b9e17274fa57aa40f2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "14bfda499e5d6e30551f55e1a8f7967810a14e1833df8b9e17274fa57aa40f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14bfda499e5d6e30551f55e1a8f7967810a14e1833df8b9e17274fa57aa40f2d", kill_on_drop: false }`
[INFO] [stdout] 14bfda499e5d6e30551f55e1a8f7967810a14e1833df8b9e17274fa57aa40f2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5c78b6bcc3034594991c4c39267f42f26ae8b23203afb6f85f1d5479b2f1fc9
[INFO] running `Command { std: "docker" "start" "-a" "b5c78b6bcc3034594991c4c39267f42f26ae8b23203afb6f85f1d5479b2f1fc9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling pin-project v0.4.28
[INFO] [stderr]    Compiling tower-test v0.3.0
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.90s
[INFO] running `Command { std: "docker" "inspect" "b5c78b6bcc3034594991c4c39267f42f26ae8b23203afb6f85f1d5479b2f1fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c78b6bcc3034594991c4c39267f42f26ae8b23203afb6f85f1d5479b2f1fc9", kill_on_drop: false }`
[INFO] [stdout] b5c78b6bcc3034594991c4c39267f42f26ae8b23203afb6f85f1d5479b2f1fc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08e39545d22639d9a15edc6fae3f3819b4aac2107bb45708570fdd4289725290
[INFO] running `Command { std: "docker" "start" "-a" "08e39545d22639d9a15edc6fae3f3819b4aac2107bb45708570fdd4289725290", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tower_ready_cache-6371a8df600a49ee)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ready_cache.rs (/opt/rustwide/target/debug/deps/ready_cache-0e4e167b75adee0f)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-ready-cache
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test duplicate_key_by_index ... ok
[INFO] [stdout] test error_after_promote ... ok
[INFO] [stdout] test evict_pending_then_error ... ok
[INFO] [stdout] test poll_ready_inner_failure ... ok
[INFO] [stdout] test poll_ready_not_ready ... ok
[INFO] [stdout] test poll_ready_promotes_inner ... ok
[INFO] [stdout] test evict_ready_then_error ... ok
[INFO] [stdout] test push_then_evict ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08e39545d22639d9a15edc6fae3f3819b4aac2107bb45708570fdd4289725290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e39545d22639d9a15edc6fae3f3819b4aac2107bb45708570fdd4289725290", kill_on_drop: false }`
[INFO] [stdout] 08e39545d22639d9a15edc6fae3f3819b4aac2107bb45708570fdd4289725290